1) The document describes steps to manually configure controlfile locations for an Oracle database instance. 2) It involves searching for the current controlfile, adding the new locations to the init file, copying the controlfile to the new locations, creating an spfile from the init file, and verifying the new controlfile locations. 3) Key steps are to edit init<dbsid>.ora to configure the new controlfile locations, copy the existing controlfile to the new locations, and create an spfile to make the changes permanent.